TWI318498B - Variable gain amplifying circuit and method of changing the gain amplifying path - Google Patents
Variable gain amplifying circuit and method of changing the gain amplifying pathInfo
- Publication number
- TWI318498B TWI318498B TW095116184A TW95116184A TWI318498B TW I318498 B TWI318498 B TW I318498B TW 095116184 A TW095116184 A TW 095116184A TW 95116184 A TW95116184 A TW 95116184A TW I318498 B TWI318498 B TW I318498B
- Authority
- TW
- Taiwan
- Prior art keywords
- gain amplifying
- changing
- path
- amplifying circuit
- variable gain
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/75—Circuitry for providing, modifying or processing image signals from the pixel array
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/552—Indexing scheme relating to amplifiers the amplifier being made for video applications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7231—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into cascade or not, by choosing between amplifiers by one or more switch(es)
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7236—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers by (a ) switch(es)
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Control Of Amplification And Gain Control (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Amplifiers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095116184A TWI318498B (en) | 2006-05-08 | 2006-05-08 | Variable gain amplifying circuit and method of changing the gain amplifying path |
US11/428,573 US7733395B2 (en) | 2006-05-08 | 2006-07-05 | Variable-gain amplifier circuit and method of changing gain amplifier path |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW095116184A TWI318498B (en) | 2006-05-08 | 2006-05-08 | Variable gain amplifying circuit and method of changing the gain amplifying path |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200743301A TW200743301A (en) | 2007-11-16 |
TWI318498B true TWI318498B (en) | 2009-12-11 |
Family
ID=38660844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095116184A TWI318498B (en) | 2006-05-08 | 2006-05-08 | Variable gain amplifying circuit and method of changing the gain amplifying path |
Country Status (2)
Country | Link |
---|---|
US (1) | US7733395B2 (en) |
TW (1) | TWI318498B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8217591B2 (en) * | 2009-05-28 | 2012-07-10 | Cree, Inc. | Power source sensing dimming circuits and methods of operating same |
US8687823B2 (en) * | 2009-09-16 | 2014-04-01 | Knowles Electronics, Llc. | Microphone interface and method of operation |
US9713211B2 (en) | 2009-09-24 | 2017-07-18 | Cree, Inc. | Solid state lighting apparatus with controllable bypass circuits and methods of operation thereof |
US8901845B2 (en) | 2009-09-24 | 2014-12-02 | Cree, Inc. | Temperature responsive control for lighting apparatus including light emitting devices providing different chromaticities and related methods |
US10264637B2 (en) | 2009-09-24 | 2019-04-16 | Cree, Inc. | Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof |
TWI413427B (en) * | 2010-03-30 | 2013-10-21 | Hon Hai Prec Ind Co Ltd | Mobile station and method to choose a signal amplifier path thereof |
US8476836B2 (en) | 2010-05-07 | 2013-07-02 | Cree, Inc. | AC driven solid state lighting apparatus with LED string including switched segments |
US9839083B2 (en) | 2011-06-03 | 2017-12-05 | Cree, Inc. | Solid state lighting apparatus and circuits including LED segments configured for targeted spectral power distribution and methods of operating the same |
JP5854652B2 (en) * | 2011-06-10 | 2016-02-09 | キヤノン株式会社 | Imaging device |
US9510413B2 (en) | 2011-07-28 | 2016-11-29 | Cree, Inc. | Solid state lighting apparatus and methods of forming |
US8742671B2 (en) | 2011-07-28 | 2014-06-03 | Cree, Inc. | Solid state lighting apparatus and methods using integrated driver circuitry |
US8754358B2 (en) * | 2012-03-02 | 2014-06-17 | Taiwan Semiconductor Manufacturing Co., Ltd. | CMOS sensor array |
US9578681B2 (en) * | 2012-12-29 | 2017-02-21 | Intel Corporation | Methods and arrangements for a low power device in wireless networks |
US9264093B1 (en) * | 2013-05-15 | 2016-02-16 | Juniper Networks, Inc. | Apparatus and method for bypassing amplifiers used to amplify signals received by wireless communication systems |
KR101812924B1 (en) * | 2017-04-25 | 2017-12-27 | 서울대학교산학협력단 | Analog to digital converting device and system including the same |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5661434A (en) * | 1995-05-12 | 1997-08-26 | Fujitsu Compound Semiconductor, Inc. | High efficiency multiple power level amplifier circuit |
JPH10173453A (en) * | 1996-12-09 | 1998-06-26 | Sony Corp | High-frequency variable gain amplifying device and radio communication equipment |
WO1999043083A1 (en) * | 1998-02-19 | 1999-08-26 | Ntt Mobile Communications Network Inc. | Amplifier for radio transmission |
US20010034217A1 (en) * | 1998-12-29 | 2001-10-25 | Mohy F. Abdelgany | System and method for selectively interconnecting amplifiers in a communications device |
EP1032120A3 (en) * | 1999-02-26 | 2003-07-30 | Matsushita Electric Industrial Co., Ltd. | Power amplifier, power control method for power amplifier, and communication equipment |
US6400301B1 (en) * | 2000-09-07 | 2002-06-04 | Texas Instruments Incorporated | amplifying signals in switched capacitor environments |
KR100360415B1 (en) * | 2001-02-28 | 2002-11-13 | 삼성전자 주식회사 | Clamp circuit and method for having wide dynamic range of input image signal and minimizing line noise |
DE10133862A1 (en) * | 2001-07-12 | 2003-02-06 | Kathrein Werke Kg | switching amplifier |
KR100499787B1 (en) * | 2002-11-29 | 2005-07-07 | 인티그런트 테크놀로지즈(주) | Broad-band Variable Gain Amplifier with High Linearity which Operates in Switch-mode |
US7525572B2 (en) * | 2003-03-28 | 2009-04-28 | Victor Company Of Japan, Ltd. | Video camera with anti-shake system |
JP2006121135A (en) * | 2004-10-19 | 2006-05-11 | Olympus Corp | Variable gain circuit and image pickup device using the same |
-
2006
- 2006-05-08 TW TW095116184A patent/TWI318498B/en not_active IP Right Cessation
- 2006-07-05 US US11/428,573 patent/US7733395B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW200743301A (en) | 2007-11-16 |
US7733395B2 (en) | 2010-06-08 |
US20070257999A1 (en) | 2007-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |